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20 mil HDPE Pond Liner - 35' x 20'



 
Our Price: $660.00

Quantity in Stock:100

Product Code: 7030
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Description
 

20 mil HDPE Koi Pond Liner

Premium Liner For Koi Ponds, Water Gardens and Waterfalls

Need a durable, versatile, UV resistant liner for a small backyard pond, large commercial water feature or industrial containment? You found it! HDPE (High Density Polyethylene) is the most widely used geomembrane in the world!


Pond Liner EPDM Underlayment Combo

20 mil HDPE Pond liner

  • Puncture resistant, less likely to rip or tear
  • lighter weight, less flexbile than PVC and HDPE, but still easy to handle
  • Use in Koi ponds, water gardens and pondless waterfalls
  • Resistant to UV lighting
  • Includes a 10 year warranty

Frequently Asked Questions

What size liner do I need?

The formula for sizing a pond liner is
POND LENGTH + (2 TIMES DEPTH) + 2' = LINER LENGTH
POND WIDTH + (2 TIMES DEPTH) + 2'= LINER WIDTH

Example:
A 12' long, 7' wide and 3' deep pond is...
12' + (2 * 3) +2' = 20' Long
7' + (2 * 3) + 2' = 15' Wide

How many gallons is my pond?

The formula for determining the number of gallons is:
FOR SQUARE AND RECTANGULAR PONDS
Length * Width * Depth * 7.5 = Gallons


FOR ROUND PONDS
RADIUS * RADIUS * 3.14 * 7.485 = Gallons

Example:
12 * 12 * 3.14 * 7.485 = 3,384 Gallons


Underlayment for Pond Liner

Upgrade by adding Underlayment

The biggest contributors to pond liners failing are poor, unstable soil conditions and rips and tears from rocks and boulders. Shifting soil creates pockets and voids under your pond liner, forcing it to stretch under the weight of the water. Rocks and boulders placed on and around your water feature create aesthetically pleasing visual focal points. They can also penetrate, tear and harm yrou liner. Underlayment adds an extra layer of protection between pond liner and rocky or unstable soils. It stabilizes soil to prevent air voids from forming between the liner and earth; reduces wear and abrasion from rocks and roots and extends the life of pond liner.


Liner Seam & Repair Kits

Seam TapeSemi-cured EPDM rubber, coated on both sides with a highly resistant and aggressive Butyl adhesive. Used to splice together two sheets of EPDM pond liner.
Flashing TapeVery flexible, uncured EPDM rubber, coated on one side with a resistant and aggressive Butyl adhesive. Stretches across wrinkles and around pipe penetrations. Use to cover (top-dress) EPDM pond liner seams.
Cover Tape
Cured EPDM rubber, coated on one side with a resistant and aggressive Butyl adhesive. Used on flat, non-stretching surfaces.
Primer / Splice WashA low VOC solvent used to prepare, clean and prime EPDM sheets prior to applying peel and stick tapes.
Lap Sealant Self-leveling edge treatment used to ensure a leak-free, watertight seal when seaming together two sheets of EPDM pond liner.


Step by Step Support

Here at Anjon, we strive to make to work hard, so that it is easy for our customers to shop our store. We also provide tutorials and instructions for when you may need assitance. Repairing pond liner and running pipe through liner can be a little complicated, if you have never done it before. Check out our tutorial page for more information.



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